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Shiojiri-shi, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Projection-type display apparatus
Patent number
12,211,409
Issue date
Jan 28, 2025
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Projection-type display apparatus
Patent number
12,198,587
Issue date
Jan 14, 2025
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Projector and control method for projector
Patent number
12,149,871
Issue date
Nov 19, 2024
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device, electronic apparatus, and projector
Patent number
11,994,774
Issue date
May 28, 2024
Seiko Epson Corporation
Akihide Haruyama
G02 - OPTICS
Information
Patent Grant
Projector having adjustment circuit and method of controlling proje...
Patent number
11,895,443
Issue date
Feb 6, 2024
Seiko Epson Corporation
Toru Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal projector
Patent number
11,837,186
Issue date
Dec 5, 2023
Seiko Epson Corporation
Daigo Hokazono
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal projector and method for controlling liquid crystal...
Patent number
11,659,147
Issue date
May 23, 2023
Seiko Epson Corporation
Toru Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Liquid crystal projector and method for controlling liquid crystal...
Patent number
11,468,805
Issue date
Oct 11, 2022
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal projector
Patent number
11,295,683
Issue date
Apr 5, 2022
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device, and projection-type display apparatus
Patent number
10,955,696
Issue date
Mar 23, 2021
Seiko Epson Corporation
Toru Aoki
G02 - OPTICS
Information
Patent Grant
Electro-optical device and electronic apparatus
Patent number
8,184,205
Issue date
May 22, 2012
Seiko Epson Corporation
Toru Aoki
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Grant
Electro-optical device, signal processing circuit thereof, signal p...
Patent number
7,705,818
Issue date
Apr 27, 2010
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image signal processing device, image signal processing method, ele...
Patent number
7,667,676
Issue date
Feb 23, 2010
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of driving electro-optical device, electro-optical device, a...
Patent number
7,639,221
Issue date
Dec 29, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optic device, method for driving the same, and electronic d...
Patent number
7,626,567
Issue date
Dec 1, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device, driving circuit, method, and apparatus to c...
Patent number
7,602,361
Issue date
Oct 13, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image signal correcting method, correcting circuit, electro-optical...
Patent number
7,602,359
Issue date
Oct 13, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical-device driving method, image processing circuit, el...
Patent number
7,598,969
Issue date
Oct 6, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method of correcting unevenness of brightness, correction circuit f...
Patent number
7,573,449
Issue date
Aug 11, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Method for adjusting electro-optical apparatus, adjusting apparatus...
Patent number
7,502,006
Issue date
Mar 10, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device, driving circuit of the same, driving method...
Patent number
7,492,342
Issue date
Feb 17, 2009
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image signal correction method, correction circuit, electro-optical...
Patent number
7,385,577
Issue date
Jun 10, 2008
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image signal correcting circuit, image processing method, electro-o...
Patent number
7,362,290
Issue date
Apr 22, 2008
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device, circuit for driving electro-optical device,...
Patent number
7,358,940
Issue date
Apr 15, 2008
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Circuit and method for driving electro-optical device, electro-opti...
Patent number
7,348,951
Issue date
Mar 25, 2008
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Liquid crystal display, image data compensation circuit, image data...
Patent number
7,142,185
Issue date
Nov 28, 2006
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Image processing circuit, image processing method, electro-optical...
Patent number
7,142,182
Issue date
Nov 28, 2006
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical device, drive device and drive method for electro-o...
Patent number
7,091,966
Issue date
Aug 15, 2006
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical apparatus, image processing circuit, image data cor...
Patent number
6,952,287
Issue date
Oct 4, 2005
Seiko Epson Corporation
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Grant
Electro-optical-device driving method, image processing circuit, el...
Patent number
6,943,765
Issue date
Sep 13, 2005
Seiko Epson Corp.
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Patents Applications
last 30 patents
Information
Patent Application
PROJECTION-TYPE DISPLAY APPARATUS
Publication number
20240071270
Publication date
Feb 29, 2024
SEIKO EPSON CORPORATION
Toru AOKI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
PROJECTION-TYPE DISPLAY APPARATUS
Publication number
20240071271
Publication date
Feb 29, 2024
SEIKO EPSON CORPORATION
Toru AOKI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
PROJECTOR AND CONTROL METHOD FOR PROJECTOR
Publication number
20240015271
Publication date
Jan 11, 2024
SEIKO EPSON CORPORATION
Toru AOKI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
PROJECTOR AND METHOD OF CONTROLLING PROJECTOR
Publication number
20220417476
Publication date
Dec 29, 2022
SEIKO EPSON CORPORATION
Toru AOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
PROJECTOR AND CONTROL METHOD FOR PROJECTOR
Publication number
20220417480
Publication date
Dec 29, 2022
SEIKO EPSON CORPORATION
Toru AOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRO-OPTICAL DEVICE, ELECTRONIC APPARATUS, AND PROJECTOR
Publication number
20220382109
Publication date
Dec 1, 2022
SEIKO EPSON CORPORATION
Akihide HARUYAMA
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIQUID CRYSTAL PROJECTOR
Publication number
20220343869
Publication date
Oct 27, 2022
SEIKO EPSON CORPORATION
Daigo HOKAZONO
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIQUID CRYSTAL PROJECTOR AND METHOD FOR CONTROLLING LIQUID CRYSTAL...
Publication number
20220157211
Publication date
May 19, 2022
SEIKO EPSON CORPORATION
Toru Aoki
G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information
Patent Application
LIQUID CRYSTAL PROJECTOR AND METHOD FOR CONTROLLING LIQUID CRYSTAL...
Publication number
20220159224
Publication date
May 19, 2022
SEIKO EPSON CORPORATION
Toru AOKI
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL PROJECTOR
Publication number
20210125571
Publication date
Apr 29, 2021
SEIKO EPSON CORPORATION
Toru AOKI
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20200027414
Publication date
Jan 23, 2020
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, AND PROJECTION-TYPE DISPLAY APPARATUS
Publication number
20190331957
Publication date
Oct 31, 2019
SEIKO EPSON CORPORATION
Toru AOKI
G02 - OPTICS
Information
Patent Application
LIQUID CRYSTAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20190219848
Publication date
Jul 18, 2019
SEIKO EPSON CORPORATION
Toru Aoki
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, ELECTRONIC DEVICE, AND PROJECTION-TYPE DISP...
Publication number
20190196244
Publication date
Jun 27, 2019
SEIKO EPSON CORPORATION
Jun HIRAI
G02 - OPTICS
Information
Patent Application
ELECTRO-OPTICAL DEVICE, IMAGE PROCESSING CIRCUIT, AND ELECTRONIC DE...
Publication number
20120001959
Publication date
Jan 5, 2012
SEIKO EPSON CORPORATION
Toru AOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20090109204
Publication date
Apr 30, 2009
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
ELECTRO OPTICAL DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC APPA...
Publication number
20080238912
Publication date
Oct 2, 2008
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
ELECTRO-OPTICAL DEVICE AND ELECTRONIC APPARATUS
Publication number
20080129893
Publication date
Jun 5, 2008
SEIKO EPSON CORPORATION
Toru AOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
ELECTRO-OPTICAL DEVICE, IMAGE PROCESSING CIRCUIT, AND ELECTRONIC DE...
Publication number
20080024652
Publication date
Jan 31, 2008
SEIKO EPSON CORPORATION
Toru AOKI
H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information
Patent Application
Electro-optic device, method for driving the same, and electronic d...
Publication number
20070097766
Publication date
May 3, 2007
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Electro-optical device, signal processing circuit thereof, signal p...
Publication number
20060007723
Publication date
Jan 12, 2006
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Electro-optical device, driving circuit of the same, driving method...
Publication number
20060007208
Publication date
Jan 12, 2006
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Circuit and method for driving electro-optical device, electro-opti...
Publication number
20050275611
Publication date
Dec 15, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Image-correction-amount detecting device, circuit for driving elect...
Publication number
20050259092
Publication date
Nov 24, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Electro-optical device, driving circuit thereof, and electronic app...
Publication number
20050259061
Publication date
Nov 24, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Electro-optical device and electronic apparatus
Publication number
20050237291
Publication date
Oct 27, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Image signal correcting method, correcting circuit, electro-optical...
Publication number
20050219161
Publication date
Oct 6, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Electro-optical-device driving method, image processing circuit, el...
Publication number
20050206601
Publication date
Sep 22, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Electro-optical device, driving circuit of electro-optical device,...
Publication number
20050162448
Publication date
Jul 28, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information
Patent Application
Method for adjusting electro-optical apparatus, adjusting apparatus...
Publication number
20050162365
Publication date
Jul 28, 2005
SEIKO EPSON CORPORATION
Toru Aoki
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS